15155213532 has 12 divisors (see below), whose sum is σ = 35362164936. Its totient is φ = 5051737840.

The previous prime is 15155213531. The next prime is 15155213537. The reversal of 15155213532 is 23531255151.

It is a happy number.

15155213532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 15155213493 and 15155213502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15155213531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631467219 + ... + 631467242.

It is an arithmetic number, because the mean of its divisors is an integer number (2946847078).

Almost surely, 2^15155213532 is an apocalyptic number.

15155213532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15155213532 is an abundant number, since it is smaller than the sum of its proper divisors (20206951404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15155213532 is a wasteful number, since it uses less digits than its factorization.

15155213532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262934468 (or 1262934466 counting only the distinct ones).

The product of its digits is 22500, while the sum is 33.

Adding to 15155213532 its reverse (23531255151), we get a palindrome (38686468683).

The spelling of 15155213532 in words is "fifteen billion, one hundred fifty-five million, two hundred thirteen thousand, five hundred thirty-two".